2220142 has 8 divisors (see below), whose sum is σ = 3346632. Its totient is φ = 1104600.

The previous prime is 2220089. The next prime is 2220151. The reversal of 2220142 is 2410222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209 + ... + 3052.

It is an arithmetic number, because the mean of its divisors is an integer number (418329).

2^2220142 is an apocalyptic number.

2220142 is a deficient number, since it is larger than the sum of its proper divisors (1126490).

2220142 is a wasteful number, since it uses less digits than its factorization.

2220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2220142 is about 1490.0140938931. The cubic root of 2220142 is about 130.4548563534.

Adding to 2220142 its reverse (2410222), we get a palindrome (4630364).

It can be divided in two parts, 22 and 20142, that added together give a square (20164 = 142²).

The spelling of 2220142 in words is "two million, two hundred twenty thousand, one hundred forty-two".